Home / 234,081.50-350,974.62-128,974.28

Finding the Fourth Proportional to 234,081.50, 350,974.62 and 128,974.28

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Solution

The fourth proportional to 234,081.50, 350,974.62 and 128,974.28 is: 193,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,081.50 : 350,974.62 = 128,974.28 : x
  2. Step 2: Convert to fraction form
    234,081.50/350,974.62 = 128,974.28/x
  3. Step 3: Cross multiply
    234,081.50x = 350,974.62 × 128,974.28
  4. Step 4: Simplify right side
    234,081.50x = 45,266,698,957.71
  5. Step 5: Solve for x
    x = 45,266,698,957.71/234,081.50
  6. Step 6: Final answer
    x = 193,380.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.